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I know that most new locomotive's are purchased from the manufacturers by class 1 railroads and then when their superseded their sold to other class 1 railroads or short lines rather than being scrapped & broken up. Does anyone know of a website or any other resource where you can track the history of a particular locomotive?
Yes.
If you go to
http://www.rrpicturearchives.net/ and find a photo of the engine you are looking for, you can find all other roads/numbers it has been. Its pretty neat! Any pictures submitted will be there too!
I looked on there earlier, but I couldn't find a searchable database...

On the left side you get choices of where to start. For a GP38-2 UP #2017 I went to locomotive model and then picked GP38-2, then to UP models then to #2017.
There it is as of 2001 in North Platte, NE.
Well I guess the database is only as good as the information in it & the information I'm looking for seems to be lacking lol.. Ho Hum...
Oh, well I tried.

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